<template>
  <header>
    <img alt="Vue logo" class="logo" src="@/assets/logo.svg" width="125" height="125" />

    <div class="wrapper">
      <HelloWorld msg="base-project" />

      <nav>
        <RouterLink to="/">Home</RouterLink>
        <RouterLink to="/about">About</RouterLink>
      </nav>
    </div>
  </header>

  <div class="app-container">
    <div class="server-time">
      服务器时间：{{ serverTime ? formatTime(serverTime) : '加载中...' }}
    </div>
    <RouterView />
  </div>
</template>

<script setup lang="ts">
import { RouterLink, RouterView } from 'vue-router'
import HelloWorld from './components/HelloWorld.vue'
import { ref, onMounted } from 'vue'
import { systemApi } from '@/api/api'

const serverTime = ref<string>('')

// 获取服务器时间
const getServerTime = async () => {
  try {
    const res = await systemApi.getServerTime()
    // 将时间戳转换为 ISO 字符串
    serverTime.value = new Date(res.result).toISOString()
  } catch (error) {
    console.error('获取服务器时间失败：', error)
  }
}

// 格式化时间
const formatTime = (time: string) => {
  const date = new Date(time)
  return date.toLocaleString('zh-CN', {
    year: 'numeric',
    month: '2-digit',
    day: '2-digit',
    hour: '2-digit',
    minute: '2-digit',
    second: '2-digit',
    hour12: false
  })
}

onMounted(() => {
  getServerTime()
})

</script>

<style scoped>
header {
  line-height: 1.5;
  max-height: 100vh;
}

.logo {
  display: block;
  margin: 0 auto 2rem;
}

nav {
  width: 100%;
  font-size: 12px;
  text-align: center;
  margin-top: 2rem;
}

nav a.router-link-exact-active {
  color: var(--color-text);
}

nav a.router-link-exact-active:hover {
  background-color: transparent;
}

nav a {
  display: inline-block;
  padding: 0 1rem;
  border-left: 1px solid var(--color-border);
}

nav a:first-of-type {
  border: 0;
}

@media (min-width: 1024px) {
  header {
    display: flex;
    place-items: center;
    padding-right: calc(var(--section-gap) / 2);
  }

  .logo {
    margin: 0 2rem 0 0;
  }

  header .wrapper {
    display: flex;
    place-items: flex-start;
    flex-wrap: wrap;
  }

  nav {
    text-align: left;
    margin-left: -1rem;
    font-size: 1rem;

    padding: 1rem 0;
    margin-top: 1rem;
  }
}

.app-container {
  width: 100%;
  min-height: 100vh;
}

.server-time {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 8px 16px;
  background-color: #f5f7fa;
  border-radius: 4px;
  font-size: 14px;
  color: #606266;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}
</style>
